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Galena & Marmatite

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TPX536526

Galena & Marmatite

Classic Locality

Description Tabs

Description
Locality: 
Sultana Open Pit, Cabezo de Ponce, Llano del Beal, Cartagena, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2 cm
Weight: 
60.00gr
Description

Very interesting galena crystals psm after pyrrhotite and marmatite from this old quarry closed 25 years ago.

Here was very common laminated galena crystals replacing or coating the hexagonal crystals of pyrrhotite.

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Marmatite

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
(Zn,Fe)S
Hardness: 
0.0
Colour: 
Black

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